Answer:
The diameter of the circle is 13.
The answer to this question is D
First divide 6/(6+6+8) =0.3
Then multiple it by 100 to get the probability percentage 30%
I'm not sure but i think its 6.4km per hour
For y=4 draw a horizontal line through the y-axis at point (0,4). Y-axis is the vertical.
For x=-3 draw a vertical line through the x-axis at point (-3,0). X-axis is the horizontal.